Photo: Tempus Shop
Catalogue / Citizen / ref. NB6031-56E
Citizen Series 8 GMT NB6031-56E
The Citizen Series 8 GMT NB6031-56E is an automatic watch, 41 mm across, with a sapphire crystal, water-resistant to 100 m. It was listed at €1,225 at Tempus at our check on 12 November 2026. It costs 223% more than the median of the 34 automatic Citizen watches in the catalogue (€379).
Where to buyChecked 12 November 2026
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Who it suits
Anyone who wants one mechanical watch for every day, swimming included.
Strengths
Automatic movement · Sapphire crystal · Water-resistant to 100 m
Limits
13 mm thick
Reading the spec sheet
What the spec sheet says
- Automatic movement. It winds itself on the wrist, with no battery, using calibre 9054.
- Sapphire crystal. The most scratch-resistant option.
- Water-resistant to 100 m. You can swim with it.
- 13 mm thick. Thick: it does not sit well under a shirt cuff.
Analysis based on the retailer’s spec sheet, without handling the watch.
- Brand
- Citizen
- Gender
- Men
- Calibre
- 9054
- Case material
- Stainless steel
- Strap material
- Stainless steel
- Diameter
- 41 mm
- Crystal
- Sapphire
- Movement
- Automatic
- Thickness
- 13 mm
- Water resistance
- 100 m (10 bar)
- Functions
- GMT, date
- Dial colour
- Black
- Clasp
- Folding clasp
- Case back
- Screw-down, see-through
- Reference
- NB6031-56E
At this price
Alternatives from other brands
Same type of movement, within 20% of the price.
Questions
The short answers
Is the Citizen Series 8 GMT NB6031-56E an automatic watch?
Yes. Its movement is automatic (calibre 9054): it winds itself with the motion of the wrist.
Can you swim with the Citizen Series 8 GMT NB6031-56E?
Yes. It is water-resistant to 100 m, which allows swimming.
Does the crystal of the Citizen Series 8 GMT NB6031-56E scratch?
It has a sapphire crystal, the most scratch-resistant kind.
What size is the Citizen Series 8 GMT NB6031-56E?
Its case measures 41 mm in diameter and 13 mm thick.
How much does the Citizen Series 8 GMT NB6031-56E cost?
It was listed at €1,225 at Tempus at our check on 12 November 2026.
Where it ranks
This watch appears in
- Automatic watches with sapphire crystal, water-resistant to 100 m, under €1,500214 references
- Automatic watches, water-resistant to 100 m, under €1,500222 references
- Watches with sapphire crystal, water-resistant to 100 m, under €1,500316 references
- Automatic watches with sapphire crystal under €1,500386 references
- Automatic watches under €1,500444 references
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